build: add dependency checking

.github/workflows/dependency-graph.yml

@@ -0,0 +1,18 @@
+name: Update Dependency Graph
+
+on:
+  push:
+    branches:
+      - main # default branch of the project
+
+jobs:
+  update-graph:
+    name: Update Dependency Graph
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: scalacenter/sbt-dependency-submission@v2
+        with:
+          ## Optional: Define the working directory of your build.
+          ## It should contain the build.sbt file.
+          working-directory: './'

.github/workflows/scala-steward.yml

@@ -0,0 +1,22 @@
+name: Launch Scala Steward
+
+# This workflow will launch at 00:00 every Sunday
+on:
+  schedule:
+    - cron: '0 0 * * 0'
+  workflow_dispatch:
+
+jobs:
+  scala-steward:
+    runs-on: ubuntu-latest
+    name: Launch Scala Steward
+    steps:
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+      - name: Launch Scala Steward
+        uses: scala-steward-org/scala-steward-action@v2
+        with:
+          github-token: ${{ secrets.GH_TOKEN }}